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Step * of Lemma geo-lt-pt_wf

∀[e:EuclideanPlaneStructure]. ∀[a,b,c,d:Point].  (ab < cd ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[e:EuclideanPlaneStructure].  \mforall{}[a,b,c,d:Point].    (ab  <  cd  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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